900-9X760-0078-MB0 Nvidia ConnectX-7 OCP3.0 SFF 200GBE Dual-port Adapter Card

Nvidia 900-9X760-0078-MB0 ConnectX-7 OCP3.0 Adapter Card

The Nvidia 900-9X760-0078-MB0 ConnectX‑7 OCP3.0 SFF 200GbE NDR200 adapter card is engineered for ultra‑fast data throughput, advanced networking flexibility, and dependable performance in modern data centers. Designed with dual QSFP112 ports, PCIe 5.0 x16 compatibility, and secure‑boot functionality, this interface card delivers exceptional connectivity for high‑demand enterprise environments.

Main Information

• Brand: NVIDIA
• Model Number: 900-9X760-0078-MB0
• Product Category: High‑speed network adapter card

Technical Specifications

Physical Characteristics

• Form Factor: Small Form Factor (SFF)
• Dimensions: 4.52 in × 2.99 in (115.00 mm × 76.00 mm)
• Card Height: 0.59 in (15.1 mm)
• Bracket Style: Thumbscrew pull‑tab bracket

Interface & Connectivity

• PCI Express Support: PCIe Gen 5.0 / 4.0, SerDes @ 16/32 GT/s, x16 lanes (backward compatible with Gen 4.0 & 3.0)
• Network Ports: Dual QSFP112 supporting InfiniBand and Ethernet

Protocol Compatibility

Supported Data Rates

• InfiniBand: NDR200, HDR, HDR100, EDR, FDR, SDR
• Ethernet: 200/100/50/25/10 Gb/s

InfiniBand Standards

• IBTA v1.5 compliant
• Auto‑negotiation for multiple lane configurations

Ethernet Standards

• 200GAUI‑4 C2M, 200GAUI‑4 C2C
• 200GBASE‑CR4, 200GBASE‑KR4
• 100GBASE‑CR4, 100GBASE‑KR4, 100GBASE‑SR4
• 100GBASE‑CR2, 100GBASE‑KR2, 100GBASE‑SR2
• 50GBASE‑R2, 50GBASE‑R4
• 40GBASE‑CR4, 40GBASE‑KR4, 40GBASE‑SR4, 40GBASE‑LR4, 40GBASE‑ER4, 40GBASE‑R2
• 25GBASE‑R
• 20GBASE‑KR2
• 10GBASE‑LR, 10GBASE‑ER, 10GBASE‑CX4, 10GBASE‑CR, 10GBASE‑KR, 10GBASE‑SR
• SGMII, 1000BASE‑CX, 1000BASE‑KX

Advanced Capabilities

• Secure Boot enabled
• Crypto functionality disabled
• Multi‑host and socket‑direct support

Electrical & Thermal Details

• Voltage Requirements: 12V_edge, +3.3V_edge
• QSFP112 Port Power: Up to 17W per port (thermal limits apply)
• Typical Power Consumption: 24.5W with passive cables in PCIe Gen 5.0 x16 mode

Temperature Range

• Operating: 0°C to 55°C
• Storage: -40°C to 70°C

Humidity Tolerance

• Operational: 10% to 85% relative humidity
• Non‑operational: 10% to 90% relative humidity

Altitude Rating

• Operational Altitude: Up to 3050 m

High-Performance Data Center Networking Adapter Overview

The Nvidia 900-9X760-0078-MB0 ConnectX-7 OCP3.0 SFF 200GBE NDR200 adapter card belongs to an advanced category of ultra-high-speed data center networking solutions designed for next-generation cloud, hyperscale, enterprise, and AI-driven infrastructures. This category focuses on enabling extreme bandwidth, ultra-low latency, and deterministic performance across modern distributed computing environments. ConnectX-7 adapters represent a significant leap forward in Ethernet and InfiniBand-class networking, integrating PCI Express Gen 5.0 capabilities, multi-host functionality, and hardware-accelerated networking features that are essential for modern workloads.

This category is specifically engineered to support data-intensive applications such as artificial intelligence training, high-performance computing, large-scale virtualization, software-defined networking, and disaggregated storage architectures. By combining advanced silicon design with a compact OCP 3.0 form factor, these adapters enable dense server configurations while maintaining exceptional throughput and reliability. The focus on modularity, scalability, and standards compliance ensures that this category aligns seamlessly with evolving data center design philosophies.

ConnectX Networking Architecture Evolution

The ConnectX family has long defined the standard for intelligent network interface cards, and the ConnectX-7 generation represents the most advanced iteration to date. This category integrates Nvidia’s latest networking silicon, designed to handle massive east-west traffic patterns and reduce CPU overhead through hardware offloading. By moving critical networking, security, and virtualization functions directly into the adapter, ConnectX-7 cards allow host processors to focus on application-level workloads.

Within this category, the transition to PCIe 5.0 x16 connectivity dramatically increases host interface bandwidth, ensuring that the adapter can fully utilize its dual-port 200GbE capabilities without bottlenecks. This architectural alignment between network bandwidth and host interface speed is crucial for maintaining predictable performance in latency-sensitive environments such as AI clusters and financial trading platforms.

OCP 3.0 Small Form Factor Design

The OCP 3.0 SFF design places this adapter squarely within a category optimized for open, scalable, and serviceable data center hardware. The Open Compute Project specification emphasizes interoperability, efficient airflow, and simplified maintenance, all of which are addressed in this adapter category. The small form factor enables higher port density per server while reducing power and cooling constraints.

This category’s mechanical design includes features such as thumbscrew pull-tab brackets, allowing tool-less installation and removal. This enhances serviceability in large-scale deployments where rapid hardware replacement and minimal downtime are operational priorities. The compact layout also supports front-access networking designs common in hyperscale environments.

200GbE NDR200 Networking Capabilities

The defining characteristic of this category is support for 200 Gigabit Ethernet NDR200 networking. This level of throughput is essential for modern workloads that generate enormous volumes of data and require rapid inter-node communication. Dual-port QSFP112 connectivity allows each adapter to deliver up to 400Gb/s of aggregate bandwidth, enabling flexible network topologies and redundancy strategies.

High-speed Ethernet in this category is designed to coexist with advanced congestion control mechanisms, ensuring consistent performance even under peak load conditions. The adapter supports advanced flow control and traffic shaping features that are critical for maintaining service quality in multi-tenant environments.

Dual-Port Architecture and Redundancy

The dual-port design places this category of adapter at the core of resilient network architectures. Each port can operate independently, supporting link aggregation, failover, or segmentation across different network fabrics. This flexibility is particularly valuable in enterprise and cloud environments where uptime and fault tolerance are non-negotiable requirements.

By enabling multiple network paths from a single adapter, this category reduces the need for additional hardware while maintaining high availability. This design approach simplifies server configurations and lowers total cost of ownership without compromising performance or reliability.

QSFP112 Interface and Signal Integrity

The QSFP112 interface is central to achieving stable 200GbE performance within this category. Advanced signal integrity techniques ensure reliable data transmission over high-speed links, even in dense rack environments. The adapter’s design minimizes crosstalk and electromagnetic interference, supporting consistent link quality across varying cable lengths and deployment scenarios.

This category supports a wide range of compatible transceivers and direct-attach cables, providing deployment flexibility while maintaining strict compliance with Ethernet standards.

Multi-Host Networking and Resource Disaggregation

A defining feature of this adapter category is multi-host support, which allows a single physical adapter to be shared across multiple host systems. This capability aligns with modern disaggregated infrastructure models, where compute, storage, and networking resources are dynamically allocated based on workload requirements. Multi-host networking improves utilization efficiency and reduces hardware redundancy.

In composable infrastructure environments, this category enables rapid reconfiguration of network resources without physical intervention. This flexibility supports agile deployment models and accelerates time-to-value for new services.

Virtualization and Containerized Workloads

This category is optimized for highly virtualized environments, supporting advanced technologies such as SR-IOV, hardware-based packet steering, and virtual switch acceleration. These capabilities reduce latency and CPU overhead for virtual machines and containers, delivering near-native network performance.

By offloading virtualization tasks to the adapter, this category ensures consistent performance even as the number of virtual instances scales. This is essential for cloud service providers and enterprises running dense virtualization clusters.

Cloud-Native and Microservices Architectures

Microservices-based applications rely heavily on fast, reliable inter-service communication. This category of networking adapter provides the bandwidth and latency characteristics required to support service meshes, distributed databases, and real-time analytics platforms. Hardware acceleration ensures that network performance remains predictable even as application complexity increases.

Support for modern orchestration frameworks and software-defined networking stacks further enhances the adapter’s suitability for cloud-native deployments.

PCI Express Gen 5.0 x16 Host Interface

The integration of PCIe 5.0 x16 connectivity places this category at the forefront of host interface technology. PCIe Gen 5 doubles the bandwidth of the previous generation, enabling seamless data movement between the adapter and the host CPU. This is critical for ensuring that the full potential of 200GbE networking can be realized without contention.

This category is particularly well-suited for servers equipped with the latest CPU architectures that support PCIe 5.0 natively. The increased throughput and reduced latency of the host interface contribute to overall system efficiency and performance.

Low-Latency Data Path Optimization

Advanced DMA engines and optimized data paths minimize latency within this category. These enhancements are especially important for workloads such as high-frequency trading, real-time analytics, and distributed AI training, where microseconds can have a measurable impact on outcomes.

The adapter’s architecture ensures deterministic performance by reducing jitter and maintaining consistent packet processing times under varying load conditions.

Scalability Across Server Platforms

This category is designed to scale across a wide range of server platforms, from single-socket edge systems to multi-socket enterprise servers. PCIe 5.0 compatibility ensures that the adapter can be deployed in both current and future hardware generations, protecting infrastructure investments.

Scalable bandwidth and flexible configuration options allow organizations to tailor network performance to specific workload requirements.

Security, Secure Boot, and Cryptographic Configuration

The ConnectX-7 adapter category incorporates robust security features designed to protect data integrity and prevent unauthorized access. Secure boot functionality ensures that only trusted firmware is executed, reducing the risk of supply chain attacks and firmware tampering. This is a critical requirement in regulated industries and sensitive environments.

In this specific category configuration, cryptographic acceleration is disabled, aligning with deployment scenarios where encryption is handled at higher layers or by dedicated security appliances. This flexibility allows organizations to align network adapter capabilities with their overall security architecture.

Hardware-Based Trust Anchors

Secure boot and hardware root-of-trust mechanisms are integral to this category’s security model. These features establish a chain of trust from power-on through runtime operation, ensuring that the adapter operates within defined security parameters.

Such capabilities are increasingly important as data centers adopt zero-trust security frameworks and face growing threats from sophisticated attackers.

Compliance and Regulatory Alignment

This category is designed to meet stringent compliance requirements across industries such as finance, healthcare, and government. Secure firmware management and standardized security features support auditability and risk management objectives.

The ability to enable or disable cryptographic functions allows organizations to tailor deployments to specific regulatory and operational needs.